General

  • Target

    31452b50fe8475fa4566b814ed702c6910029ff66db45d3dbb21c2e3ed63594f.exe

  • Size

    631KB

  • Sample

    210823-jetka9q8ce

  • MD5

    6adb8aa23fe92e5441f1156cc3fb949e

  • SHA1

    11abcec421eee539de1dea494c3159d3bf163881

  • SHA256

    31452b50fe8475fa4566b814ed702c6910029ff66db45d3dbb21c2e3ed63594f

  • SHA512

    316d7a3be61d4a227fdbb4351647467b65ea97df58403273c90ac6319229b2449fed1aec83eaa01eb1e75ac31d7682c3fa954cd1f1fa56c3b02a38de32b5f951

Malware Config

Extracted

Family

vidar

Version

40.1

Botnet

973

C2

https://eduarroma.tumblr.com/

Attributes
  • profile_id

    973

Extracted

Family

vidar

Version

40.1

Botnet

937

C2

https://eduarroma.tumblr.com/

Attributes
  • profile_id

    937

Extracted

Family

metasploit

Version

windows/single_exec

Extracted

Family

smokeloader

Version

2020

C2

http://aucmoney.com/upload/

http://thegymmum.com/upload/

http://atvcampingtrips.com/upload/

http://kuapakualaman.com/upload/

http://renatazarazua.com/upload/

http://nasufmutlu.com/upload/

http://readinglistforaugust1.xyz/

http://readinglistforaugust2.xyz/

http://readinglistforaugust3.xyz/

http://readinglistforaugust4.xyz/

http://readinglistforaugust5.xyz/

http://readinglistforaugust6.xyz/

http://readinglistforaugust7.xyz/

http://readinglistforaugust8.xyz/

http://readinglistforaugust9.xyz/

http://readinglistforaugust10.xyz/

http://readinglistforaugust1.site/

http://readinglistforaugust2.site/

http://readinglistforaugust3.site/

http://readinglistforaugust4.site/

rc4.i32
rc4.i32
rc4.i32
rc4.i32

Extracted

Family

vidar

Version

40.1

Botnet

995

C2

https://eduarroma.tumblr.com/

Attributes
  • profile_id

    995

Targets

    • Target

      31452b50fe8475fa4566b814ed702c6910029ff66db45d3dbb21c2e3ed63594f.exe

    • Size

      631KB

    • MD5

      6adb8aa23fe92e5441f1156cc3fb949e

    • SHA1

      11abcec421eee539de1dea494c3159d3bf163881

    • SHA256

      31452b50fe8475fa4566b814ed702c6910029ff66db45d3dbb21c2e3ed63594f

    • SHA512

      316d7a3be61d4a227fdbb4351647467b65ea97df58403273c90ac6319229b2449fed1aec83eaa01eb1e75ac31d7682c3fa954cd1f1fa56c3b02a38de32b5f951

    • Glupteba

      Glupteba is a modular loader written in Golang with various components.

    • Glupteba Payload

    • MetaSploit

      Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.

    • Modifies Windows Defender Real-time Protection settings

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • RedLine Payload

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)

      suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)

    • suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

      suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

    • suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload

      suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload

    • suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil

      suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil

    • Vidar Stealer

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Loads dropped DLL

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Modify Existing Service

1
T1031

Defense Evasion

Modify Registry

2
T1112

Disabling Security Tools

1
T1089

Install Root Certificate

1
T1130

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Command and Control

Web Service

1
T1102

Tasks